Matt Gerald (born May 2, 1970) is an American actor and screenwriter. Gerald was born in Miami, Florida. A graduate of The University of Pennsylvania, he is best known for his Marvel Cinematic Universe (MCU) roles as White Power Dave in All Hail the King (2014) and Melvin Potter in Netflixs Daredevil (2015–2018)and as Corporal Lyle Wainfleet in James Camerons science-fiction Avatar franchise